2025tld results

2025tld results

Information

Transient

Name:	`AT2025tld`
Right ascension:	`1h51m13.02s`
Declination:	`-3d29m23.04s`
Discovery Date:	`Aug. 5, 2025, 1:39 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.025`

Host

Name:	`01511122-0329548`
Right ascension:	`1h51m11.23s`
Declination:	`-3d29m54.80s`
Redshift:	`0.016928`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV GALEX_FUV PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	38.52
Transient MWEBV	processed	0.09
Host match	processed	3.76
Host information	processed	0.16
Host MWEBV	processed	0.06
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.35
Validate global photometry	processed	17.0
Global host SED inference	processed	590.74
Local aperture photometry	processed	6.76
Validate local photometry	processed	0.03
Local host SED inference	processed	457.3

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	1h51m13.02s, -3d29m23.04s
semi major axis, semi minor axis (arcsec):	5.81, 5.81
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	17.84	3.07	20.772	0.187	AB
GALEX_NUV	12.04	1.71	21.198	0.154	AB
SDSS_u	47.01	5.53	19.720	0.128	AB
SDSS_g	55.67	2.57	19.536	0.050	AB
DES_g	55.65	0.44	19.536	0.008	AB
PanSTARRS_g	44.19	1.44	19.787	0.035	AB
SDSS_r	54.58	3.42	19.557	0.068	AB
PanSTARRS_r	55.06	1.83	19.548	0.036	AB
DES_r	72.42	0.55	19.250	0.008	AB
SDSS_i	57.06	4.86	19.509	0.093	AB
PanSTARRS_i	59.82	1.6	19.458	0.029	AB
PanSTARRS_z	70.77	3.29	19.275	0.051	AB
SDSS_z	62.56	15.52	19.409	0.269	AB
DES_z	73.61	1.61	19.233	0.024	AB
PanSTARRS_y	71.94	10.54	19.258	0.159	AB
2MASS_J	210.41	115.13	17.197	0.594	Vega
2MASS_H	-101.06	164.42			Vega
2MASS_K	59.27	210.19	17.630	3.850	Vega

Aperture details

RA, DEC (J2000):	1h51m11.26s, -3d29m54.71s
semi major axis, semi minor axis (arcsec):	45.66, 24.4
angle (degrees, anti-clockwise from east):	-136.53

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	711.42	19.82	16.770	0.030	AB
GALEX_NUV	860.23	13.95	16.563	0.018	AB
SDSS_u	3003.85	33.78	15.206	0.012	AB
SDSS_r	7031.9	27.16	14.282	0.004	AB
PanSTARRS_r	6814.04	11.34	14.316	0.002	AB
SDSS_i	8166.24	34.7	14.120	0.005	AB
PanSTARRS_i	8057.82	9.68	14.134	0.001	AB
PanSTARRS_z	8776.49	19.15	14.042	0.002	AB
SDSS_z	8568.52	92.09	14.068	0.012	AB
PanSTARRS_y	10174.03	63.62	13.881	0.007	AB
2MASS_J	11136.13	664.24	12.888	0.065	Vega
2MASS_H	10597.39	948.66	12.469	0.097	Vega
2MASS_K	9790.5	1212.38	12.085	0.134	Vega
WISE_W1	4898.46	80.9	11.976	0.018	Vega
WISE_W2	2937.57	100.06	11.891	0.037	Vega
WISE_W3	6857.7	429.96	9.136	0.068	Vega
WISE_W4	10054.77	2083.73	7.274	0.225	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	6.996	7.502	7.827
{\rm log}_{10}({\rm SFR})	-1.499	-1.121	-0.713
{\rm log}_{10}({\rm sSFR})	-9.125	-8.576	-7.937
{\rm stellar\ age}	0.167	4.391	7.342

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.678	-0.854	-0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.536	-0.714	0.089

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.169	0.511	1.050
\delta	-0.373	0.054	0.227
\tau_1/\tau_2	0.442	0.863	1.336
Q_{PAH}	0.704	1.977	4.391
U_{min}	3.536	9.891	18.064
{\rm log}_{10}(\gamma_e)\,	-3.369	-2.273	-1.023

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.875	-2.127	-0.768
{\rm log}_{10}(\tau_{AGN})\,	1.037	1.446	1.899

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.955	-1.704	-1.393
0.03-0.10 Gyr	-1.397	-0.996	-0.583
0.10-0.33 Gyr	-4.364	-2.546	-1.733
0.33-1.10 Gyr	-5.826	-3.014	-2.266
1.10-3.67 Gyr	-5.781	-2.930	-2.225
3.67-12.18 Gyr	-6.163	-2.966	-2.180
12.18-13.53 Gyr	-6.317	-2.982	-1.936

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.158	9.349	9.488
{\rm log}_{10}({\rm SFR})	0.261	0.638	0.946
{\rm log}_{10}({\rm sSFR})	-9.205	-8.729	-8.231
{\rm stellar\ age}	0.642	2.841	4.978

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.190	-0.073	0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.105	-0.040	0.341

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.141	0.191	0.256
\delta	-0.938	-0.810	-0.612
\tau_1/\tau_2	0.503	0.906	1.328
Q_{PAH}	0.117	0.354	0.728
U_{min}	2.350	6.962	14.104
{\rm log}_{10}(\gamma_e)\,	-3.737	-3.197	-2.528

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.046	-3.025	-2.295
{\rm log}_{10}(\tau_{AGN})\,	0.955	1.358	1.834

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.791	-0.626	-0.190
0.03-0.10 Gyr	0.389	0.790	1.108
0.10-0.33 Gyr	-0.918	0.411	0.730
0.33-1.10 Gyr	-1.768	-0.372	0.146
1.10-3.67 Gyr	-2.424	-0.810	-0.382
3.67-12.18 Gyr	-2.990	-1.159	-0.644
12.18-13.53 Gyr	-3.278	-1.197	-0.529